Viewing I/O Analysis Results
Prerequisites
A sampling analysis task has been created and the analysis is complete.
Procedure
- In the Task/Report List area of the Java Profiler page, click the name of the analysis task under Sampling Profiling.
- Click the I/O tab.The File I/O tab page is displayed by default, as shown in Figure 1. For details about the parameters, see Table 1.
The Stack Trace area displays the program call stack information. You can click
or
to expand or collapse the content.Table 1 Parameters on the File I/O tab page Parameter
Description
File Path/Thread Invoked
File path and thread invoked.
Total I/O Duration
Total write/read time of the file.
Count
Total number of write/read times of the file.
Read Count
Number of read times of the file.
Write Count
Number of write times of the file.
Read Bytes
Number of bytes read from the file.
Written Bytes
Number of bytes written to the file.
File I/O Read/Write Speed
Read speed
Read speed of the file.
Write speed
Write speed of the file.
- Click the Socket I/O tab.The Socket I/O tab page is displayed, as shown in Figure 2. For details about the parameters, see Table 2.
The Stack Trace area displays the program call stack information. You can click
or
to expand or collapse the content.Table 2 Parameters on the Socket I/O tab page Parameter
Description
Remote Address/Port/Thread Invoked
Remote address, port number, and thread invoked.
Total I/O Duration
Total write/read time of the socket.
Count
Total number of write/read times of the socket.
Read Count
Number of read times of the socket.
Write Count
Number of write times of the socket.
Read Bytes
Number of bytes read from the socket.
Written Bytes
Number of bytes written to the socket.
Socket I/O Read/Write Speed
Read speed
Read speed of the socket.
Write speed
Write speed of the socket.

